/ Dictionary / Index E epigene: Meaning and Definition of Find definitions for: ep•i•gene Pronunciation: (ep'i-jēn"), [key] — adj. Geol. formed or originating on the earth's surface (opposed to hypogene). Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. epigeal epigenesis Related Content Daily Word Quiz: crutiny Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language